Strauss Double Toning Tube, (Grey), Yoga Soft Chest Expander and Tummy Trimmer Pro Toning Tube With Dual Strings Large Handles For Comfortables Use 2 Removable Latex Cords Better Grip Strong Resistance Durable, fine Quality Helps in building upper body resistance and strength Can tone and sculpt every muscle group Lose Fat, Shape your Body : This resistance training tool workouts your arms, tummy, shoulders, legs and butt. It is not only way to lose your fat by exercising with our tummy trimmer but also a way to shape your body. Strauss Tummy Trimmer: The ab exerciser targets specific muscles of your body to build your fitness. Rowing movements of this exerciser trims and tones your abdominal muscles and strengthens your arms, legs, hips and thighs. It burns extra calories, melts away your abdominal fat around your waist to give you a flat and firm stomach. The exerciser also functions as a hand gripper. Grip the inner handle and pull. It exercises your arms, wrists, fingers, forearms simultaneous Heavy Duty Steel Springs: Heavy duty carbon steel springs create resistance and builds your muscles. The long springs build resistance to build your upper and lower body muscles. The shorter hand gripper springs build resistance to develop hand, wrist and forearms.